%0 Journal Article %A Păun, Gheorghe %T Two theorems about Galiukschov semicontextual languages %J Kybernetika %D 1985 %P 360-365 %V 21 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1985__21_5_a3/ %G en %F KYB_1985__21_5_a3